Split up channel_monitor_network_test a little bit

Author: TheBlueMatt

src/ln/channelmanager.rs

@@ -5708,7 +5708,11 @@ mod tests {
 		get_announce_close_broadcast_events(&nodes, 3, 4);
 		assert_eq!(nodes[3].node.list_channels().len(), 0);
 		assert_eq!(nodes[4].node.list_channels().len(), 0);
+	}
 
+	#[test]
+	fn test_justice_tx() {
+		let nodes = create_network(2);
 		// Create some new channels:
 		let chan_5 = create_announced_chan_between_nodes(&nodes, 0, 1);
 
@@ -5748,6 +5752,9 @@ mod tests {
 		}
 		get_announce_close_broadcast_events(&nodes, 0, 1);
 
+		assert_eq!(nodes[0].node.list_channels().len(), 0);
+		assert_eq!(nodes[1].node.list_channels().len(), 0);
+
 		// We test justice_tx build by A on B's revoked HTLC-Success tx
 		// Create some new channels:
 		let chan_6 = create_announced_chan_between_nodes(&nodes, 0, 1);